• 한국식생활문화학회지
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• 제24권6호
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• pp.607-612
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• 2009

하와이 호놀룰루에서 현지인을 대상으로 돼지갈비, 순두부찌게, 돼지불고기, 닭볶음, 삼계탕 등 전통 한식 10개 품목에 대하여 소비자 기호도 평가를 실시하였다. 참여자들은 총 436명이었으며 인종별로는 일본인 32.8%, 전형적 미국인(코카시언(백인)+아프리카계 미국인(흑인)) 25.3%로 주를 이루었으며 나이별로 거의 고른 분포를 보였고 성별에서는 남성이 여성 보다 20% 많았다. 기호도 평가 결과, 전반적으로 향 7.2~8.2점, 색상 7.0~8.2점, 맛 7.2~8.2점, 종합적 기호도 7.0~8.1점으로 우수하였고 종합적 기호도에서는 돼지갈비 8.2점, 돼지불고기와 감자조림이 8.1점, 닭볶음 8.0점, 김치제육볶음 7.9, 순두부 7.6점, 잡채와 두부조림 7.5점, 오징어볶음 7.2점, 삼계탕은 7.0점의 순으로 우수하게 평가되었다. 한편, 한식 시험운영 2달 후 전체적 기호도, 음식의 양, 음식의 품질, 가격, 조화도, 추천의사, 재구매의사, 민족음식으로서의 유일성, 타민족 음식과의 차별성, take-out의 편리성에 대하여 5점 척도법으로 평가한 바 4.1~4.6의 범위로 매우 우수하였다. 상기 결과를 통하여 평가된 10종의 한식 품목들은 미국 하와이 시장에서 충분한 경쟁력을 가질 수 있을 것으로 기대되었다.

• 한국수정란이식학회지
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• 제31권3호
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• pp.243-247
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• 2016

Growth traits, such as body weight, directly influence productivity and economic efficiency in the swine industry. In this study, we estimate heritability for body weight traits usinginformation from pedigree and genome-wide single nucleotide polymorphism (SNP) chip data. Four body weight phenotypes were measured in 1,105 $F_2$ progeny from an intercross between Landrace and Jeju native black pigs. All experimental animals were subjected to genotypic analysis using PorcineSNP60K BeadChip platform, and 39,992 autosomal SNP markers filtered by quality control criteria were used to construct genomic relationship matrix for heritability estimation. Restricted maximum likelihood estimates of heritability were obtained using both genomic- and pedigree- relationship matrix in a linear mixed model. The heritability estimates using SNP information were smaller (0.36-0.55) than those which were estimated using pedigree information (0.62-0.97). To investigate effect of common environment, such as maternal effect, on heritability estimation, we included maternal effect as an additional random effect term in the linear mixed model analysis. We detected substantial proportions of phenotypic variance components were explained by maternal effect. And the heritability estimates using both pedigree and SNP information were decreased. Therefore, heritability estimates must be interpreted cautiously when there are obvious common environmental variance components.

• 한국수정란이식학회지
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• 제31권1호
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• pp.65-72
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• 2016

This study was conducted to examine effects of mating type on the growth traits in an $F_2$ population produced by reciprocal intercrosses between Landrace and the Jeju Native Black pig (JBP). The $F_2$ progeny were produced by two different mating types based on the grand dams of founder breeds JBP (Cross_1) and Landrace (Cross_2). The body weights at 21 days after birth (BW21D) was significantly different between Cross_1 and Cross_2 (P<0.05), showing that the BW21D of Cross_1 has about 0.25 kg heavier than Cross_2. The significant differences were found between males and females for the growth traits including the body weights (BWB, BW21D, BW70D and BW140D) and average daily gains (ADG, eADG and lADG) (P<0.05). Males were heavier BWB, BW21D and BW140D levels, and higher ADG and lADG levels than females. On the other hand, females had heavier BW70D and higher eADG levels than those of males. When considering the mating types and sex simultaneously the Cross_2 males had the heaviest BW140D among the combinations of cross and sex. In conclusion, it is desirable to choose Landrace as grand dams in the reciprocal intercrosses between Landrace and JBP for producing their progeny construction and to plan the production of $F_2$ males for industrial purposes. These results suggested that it may be one of useful strategies to improve the productivity through out selection of the mating type of founder breeds and the progeny sex, especially in Landrace, JBP and their related populations.